Burning thumb

When you leave your thumb stick out as if you are hitchhiking while fisting another's anus

Hey Josh, you gonna go in smooth or give me another burning thumb

by Pierced brosnan March 6, 2025

Gabe's Green Thumb

Having the uncanny sexy ability to plant anything and bring it to life: Gabe’s Green Thumb

Wow, that seed is taking beautifully. You must have Gabe's Green Thumb.

by Jolly Muncher June 1, 2024

Thumb Throttle

A sex move where you repeatedly poke your thumb in a girl's bunghole, The same way you would press the throttle to rev a four-wheeler.

My girl loves the thumb throttle when I'm doing her doggy style! VROOM VROOM!

by Bacardi Pete June 2, 2024

Thumb treatment

When you put your thumb up a girls butt while doing it from behind, almost as if its a butt plug.

"Yo, did you and katie do it last night?"

"Yeah, she took the thumb treatment."

by AskPhantoms June 4, 2024

Crooked Thumb

A big ol’ straight bottom. Has no power. Submits to his woman’s whims.

I thought Melissa’s boyfriend was secretly gay. Turns out he was just a crooked thumb.

by Jizzñe____007 June 7, 2024

Thumb Promise

A Thumb Promise is a promise stronger than a pinky promise. It shall never be broken, and if so, then the person who broke it may never be trusted again. Crossing your fingers does not invalidate a thumb promise.

“She thumb promised me she’d get me a drink if i called mom upstairs for her.”

by syylent June 8, 2024

Control thumb

A method of controlling aspects such as tempo, depth, pleasure/pain, and orgasm of a woman by inserting the thumb tip of your dominant hand into her asshole and putting you fingers towards her back as if to grab her by the inside of her ass while fucking her pussy from behind.

Ashley yelled that she wanted John to go harder and deeper, so he took his right hand off her hips and used his control thumb. She immediately stopped telling him what to do and went along with however John decided to treat her in that position.

by Thumb-man June 18, 2024